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Thread: Two Questions

  1. #1

    Two Questions

    I am swapping out the known issue exhaust valves on my 05 RXT with a complete set of SuperTech valves.
    I am using OEM head gasket, OEM valve cover gasket and new head, rocker and timing gear bolts too. My buddy gave me a set of new WSM valve stem seals, are they decent quality
    and ok to use or should I get OEM or something better. This is a stock ski
    Secondly, I went up to Autozone today and purchased new NGK plugs for it.
    I carried an old plug with me and purchased NGKs with the exact numbers but the
    tips don't screw off as needed to fit the stick coils. What's up with that? Is there another version?

    Thanks


  2. #2
    Yes some screw off and others don't but they should have a diff in te part number it I recall one has a -11 at the end or something , but solid tip will not unscrew .

  3. #3
    Quote Originally Posted by DR2006RXP View Post
    Yes some screw off and others don't but they should have a diff in te part number it I recall one has a -11 at the end or something , but solid tip will not unscrew .
    Yep, I found the answer. They have the same NGK number but the screw off tip is version #4339
    O'Reilly's has them.

    Still looking for opinion on the WSM valve stem seals

  4. #4
    Quote Originally Posted by ecu1984 View Post
    Yep, I found the answer. They have the same NGK number but the screw off tip is version #4339
    O'Reilly's has them.

    Still looking for opinion on the WSM valve stem seals
    Not sure how much cheaper the wsm are but the good viton seal can be had from jerry store with the 20% additional discount , I think I seen them on the auction site for like $68 a complete set.

  5. #5
    Redrockat's Avatar
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    I've used the Wsm seals and they work . Not like OEM at all after about 10 hrs the seal has a very light hold around the valve where as the OEM one stays like the first time installed .

  6. #6
    Greggpru's Avatar
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    30 + hrs on my wsm seals and still holding well as of 26 hrs when the head was off last. But oem 8s always your best route.

  7. #7
    Ordering the Viton. Seems to have good reviews and priced in between the WSM and the OEM.

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